Bell System Practices 2636CA Service page 14

SECTION 502-612-410
NO. OF
SIGNAL
KEYS
1
2
3
4
5
6
Noles:
1. When using converted 6th pickup button as common signaling key, remove, in­
sulate and store (Y-0) mounting cord lead from terminal 39.
2. If more than six signal keys are required, replace 635G5C key with a 658A key.
more than five private or intercom lines are required, convert keys in 2nd (2636CA,
CAM) or 4th (2637DA, DAM) module in same order.
39 to utilize common signal key.
terminal and strap to 39.
Page 14
·ssP
502-612-�·10-iOS 1976-04-l�.jpg Scannea by Frank Harrell, (Cowooy FranR) Castle Rock, Colorado Oct OS, 2012 16:4
TABLE C
PICIUP-SIGNAL KEY CONVERSION
3RD (2636CA, CAM) OR 5TH (2637DA, DAM) MODULE
NO. OF PVT
OR INTER-
COM LINES
(COM. SIG) 0-W S-W
1
NOTE
25 25
25 25
25
25
25 25
25 18
18 18
2 25 25
3 25 25
4
25 39
5
39 39
If additional terminals are required, use any spare
KEY PLUG LEADS AND TERMINALS
BL-BK BR-BK
G-R
25 30 30
25 30 18
25 18 18
18 18 18
18 18 18
18 18 18
25 39 39
39 39 39
39
39 39
39 39 39
Connect plug leads to terminal
0-Y
Y-0
18 39
18 3 9
18 39
18 39
18 39
18 39
30 39
30 39
39
30
30 39
If